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Comprehensive Guide to 3,3-dimethyl-2,3-dihydro-1-benzofuran-5-sulfonyl chloride (CAS No. 141653-49-8)

3,3-dimethyl-2,3-dihydro-1-benzofuran-5-sulfonyl chloride (CAS No. 141653-49-8) is a specialized sulfonyl chloride derivative with significant applications in organic synthesis and pharmaceutical research. This compound belongs to the benzofuran family, characterized by its unique heterocyclic structure and reactive sulfonyl chloride group. Its molecular formula is C₁₀H₁₁ClO₃S, and it is widely utilized as a key intermediate in the synthesis of various bioactive molecules.

The growing interest in 3,3-dimethyl-2,3-dihydro-1-benzofuran-5-sulfonyl chloride stems from its versatility in medicinal chemistry and drug discovery. Researchers are increasingly exploring its potential in designing small-molecule inhibitors and protease-targeting compounds, aligning with current trends in precision medicine and targeted therapies. Its sulfonyl chloride moiety makes it a valuable building block for amide coupling reactions and sulfonamide formation, which are critical in developing novel therapeutics.

One of the most searched questions about this compound is: "What are the applications of 3,3-dimethyl-2,3-dihydro-1-benzofuran-5-sulfonyl chloride in drug development?" The answer lies in its role as a synthetic intermediate for creating sulfonamide-based drugs, which are known for their antibacterial, antiviral, and anti-inflammatory properties. Additionally, its benzofuran core is structurally similar to many natural products, making it a candidate for bioactive compound design.

From a chemical properties perspective, 3,3-dimethyl-2,3-dihydro-1-benzofuran-5-sulfonyl chloride exhibits moderate solubility in organic solvents like dichloromethane and tetrahydrofuran. It is typically stored under inert conditions to prevent hydrolysis of the sulfonyl chloride group. Its stability and reactivity profile make it suitable for multi-step synthetic routes, particularly in peptide chemistry and material science applications.

Recent advancements in green chemistry have also sparked interest in optimizing the synthesis of 3,3-dimethyl-2,3-dihydro-1-benzofuran-5-sulfonyl chloride using catalytic methods and environmentally friendly solvents. This aligns with the broader industry shift toward sustainable chemical processes, a topic frequently searched by professionals in the field.

In the pharmaceutical industry, this compound is often discussed in the context of high-throughput screening and combinatorial chemistry. Its ability to serve as a scaffold for drug candidates has made it a subject of numerous patents and research publications. For instance, derivatives of 3,3-dimethyl-2,3-dihydro-1-benzofuran-5-sulfonyl chloride have been investigated for their potential in treating central nervous system disorders and metabolic diseases.

Another frequently asked question is: "How is 3,3-dimethyl-2,3-dihydro-1-benzofuran-5-sulfonyl chloride characterized analytically?" Common techniques include nuclear magnetic resonance (NMR) spectroscopy, high-performance liquid chromatography (HPLC), and mass spectrometry (MS). These methods ensure the purity and identity of the compound, which is crucial for quality control in industrial and academic settings.

The market demand for 3,3-dimethyl-2,3-dihydro-1-benzofuran-5-sulfonyl chloride has been steadily increasing, driven by its applications in contract research organizations (CROs) and custom synthesis services. Suppliers often highlight its availability in various pack sizes and custom purity grades to meet diverse research needs.

In summary, 3,3-dimethyl-2,3-dihydro-1-benzofuran-5-sulfonyl chloride (CAS No. 141653-49-8) is a highly functionalized intermediate with broad utility in organic synthesis and pharmaceutical research. Its unique structural features and reactivity continue to make it a valuable tool for scientists exploring new chemical entities and therapeutic agents.

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